<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>表格之合并单元格</title>
</head>
<body>
    <table border="1" cellspacing="0" align="center" height="600" width="900">
        <tbody>   
            <tr>
                <td></td> <td colspan="2"></td>
            </tr>
        
            <tr>
                <td rowspan="2"></td> <td></td> <td></td>
            </tr>
            <tr>
                <td></td> <td></td>
            </tr>
        </tbody>
    </table>
</body>
</html>